import Vue from 'vue'
import axios from 'axios'
import qs from 'qs'
import { Message, Loading } from 'element-ui'

// 响应时间
axios.defaults.timeout = 5 * 1000

// 配置cookie
// axios.defaults.withCredentials = true

// 配置请求头
axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded;charset=UTF-8'

// 静态资源
Vue.prototype.$static = ''

// 配置接口地址
axios.defaults.baseURL = 'http://www.api.com'
// axios.defaults.baseURL = ''
var loadingInstance

// POST传参序列化(添加请求拦截器)
axios.interceptors.request.use(
 config => {
  loadingInstance = Loading.service({
   lock: true,
   text: '数据加载中，请稍后...',
   spinner: 'el-icon-loading',
   background: 'rgba(0, 0, 0, 0.7)'
  })

  if (config.method === 'post') {
   config.data = qs.stringify(config.data)
  }
  return config
 },

 err => {

  loadingInstance.close()
  Message.error('请求错误')
  return Promise.reject(err)
 }
)

// 返回状态判断(添加响应拦截器)

axios.interceptors.response.use(
 res => {
  if (res.data.code === 200) {
   loadingInstance.close()
   return res
  } else {
   loadingInstance.close()
   Message.error(res.data.msg)
  }
 },

 err => {
  loadingInstance.close()
  Message.error('请求失败，请稍后再试')
  return Promise.reject(err)
 }

)

// 发送请求

export function post (url, params) {
 return new Promise((resolve, reject) => {
  axios
   .post(url, params)
   .then(
    res => {
     resolve(res.data)
    },
    err => {
     reject(err.data)
    }

   )

   .catch(err => {
    reject(err.data)
   })
 })

}

export function get (url, params) {

 return new Promise((resolve, reject) => {
  axios
   .get(url, {
    params: params
   })

   .then(res => {
    resolve(res.data)
   })

   .catch(err => {
    reject(err.data)
   })
 })

}